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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG800684893

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800684893

Diamond specifications and retailer prices

From $299 USD
As of November 2, 2026
Save $2,351 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,650 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800684893 or 800684893. Listed at 16 retailers as of November 1, 2026, with prices from $299 to $2,650, a $2,351 spread on the same certified stone. Do Amore Diamonds lists it at $2,650. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684893
Dimensions11.33 × 5.62 × 3.52 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.33 mm5.62 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684893
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,650 USD|Low: $299 USD|High: $3,010 USD|Avg: $1,122 USD|-12.0%
Do Amore Diamonds
Retailer 2
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Retailer 16
November 2, 2026
Retailer 13$299 USD
Retailer 4$347 USD
Retailer 8$380 USD
Retailer 2$421 USD
Retailer 14$530 USD
Retailer 6$545 USD
Retailer 16$606 USD
Retailer 7$682 USD
Retailer 10$695 USD
Retailer 12$792 USD
Retailer 15$1,139 USD
Retailer 3$1,315 USD
Retailer 9$1,640 USD
Retailer 11$2,150 USD
Retailer 5$2,505 USD
Do Amore Diamonds$2,650 USD

38 data points across 16 retailers

16 retailers$299 USD to $2,650 USD

A
Cheapest Retailer
-
$299 USD
A
Retailer 2
-
$347 USD
View
A
Retailer 3
-
$380 USD
View
Final sale: no returns
A
Retailer 4
-
$421 USD
£332 GBP
View
A
Retailer 5
-
$530 USD
View
A
Retailer 6
-
$545 USD
View
A
Retailer 7
-
$606 USD
View
A
Retailer 8
-
$682 USD
View
A
Retailer 9
-
$695 USD
€662 EUR
View
A
Retailer 10
-
$792 USD
A$1,218 AUD
View
B+
Retailer 11
-
$1,139 USD
View
B+
Retailer 12
-
$1,315 USD
View
B+
Retailer 13
-
$1,640 USD
£1,291 GBP
View
B+
Retailer 14
-
$2,150 USD
View
B
Retailer 15
-
$2,505 USD
View
Most Expensive
B
Do Amore Diamonds
27-B99126E58 · Nov 1
$2,650 USD
View
15 more retailers have this diamond
Prices start from $299 USDSave up to $2,351 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.27ct Marquise
$299 USD